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What is the use of rename operation?
Rename operation is used to rename both relations and an attributes.
It uses the as clause, taking the form:
Old-name as new-name.
Explain the term - Handling Boundary Condition These are some circumstances that to be handled in any system initialization and termination. Describes how system is bro
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A model in database system mostly defines the organisation of data or structure and a set of operations on that data. Relational model is a easy model in which database is represen
Class Diagram A class diagram is required to support functional necessity of system. In a static design view, class diagram is used to model vocabulary of the system, simple c
Project Description: I would like to get a database of a website which has clients email name and phone number. If you are able to get information from a website, by entering
what characterizes the levels in RAID technology
Advantages of Observation Methods: Bailey has pointed out four advantages of observation: 1. Superior in Data Collection on Non Verbal Behavior: When a person a opi
why are older data models are being replaced by new data models
What are the advantages of creating a table from existing table?
Explain the Attribute inheritance Ans: Throughout the rendering of the objects in a view, attribute sets of objects higher in the view hierarchy are inherited via objects below
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